Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Prehnite from
Poggio Barone (Rio della Castellina), Castel di Casio, Metropolitan City of Bologna, Emilia-Romagna, Italy


Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Poggio Barone (Rio della Castellina), Castel di Casio, Metropolitan City of Bologna, Emilia-Romagna, Italy
Data Identifiers
Mindat Occurrence Record ID:1217596
Long-form Identifier:1:3:1217596:3
GUID (UUID V4):0
Nearest other occurrences of Prehnite
7.1km (4.4 miles) ⓘSerra dei Zanchetti (Serra del Zanchetto ophiolite), Camugnano, Metropolitan City of Bologna, Emilia-Romagna, Italy
13.1km (8.1 miles) ⓘMulino di Creda (Mulino del Sasso Rosso; Mulino dei Sassi Rossi), Castiglione dei Pepoli, Metropolitan City of Bologna, Emilia-Romagna, Italy
20.9km (13.0 miles) ⓘVal di Sasso ophiolite, Pavullo nel Frignano, Modena Province, Emilia-Romagna, Italy
20.9km (13.0 miles) ⓘPonticelli, Vesale, Sestola, Modena Province, Emilia-Romagna, Italy
22.6km (14.0 miles) ⓘSasso Cerparo ophiolite (Sasso Cervaro ophiolite), Renno, Pavullo nel Frignano, Modena Province, Emilia-Romagna, Italy
23.2km (14.4 miles) ⓘSasso Puzzino ophiolite, Renno, Pavullo nel Frignano, Modena Province, Emilia-Romagna, Italy
25.1km (15.6 miles) ⓘFantoni Quarry, Monte Beni, Futa Pass - Raticosa Pass area, Firenzuola, Metropolitan City of Florence, Tuscany, Italy
30.6km (19.0 miles) ⓘCa’ dei Tattini, Monterenzio, Metropolitan City of Bologna, Emilia-Romagna, Italy
31.0km (19.3 miles) ⓘMolino della Pozza, Monterenzio, Metropolitan City of Bologna, Emilia-Romagna, Italy
32.1km (20.0 miles) ⓘSasso della Mantesca, Piancaldoli, Firenzuola, Metropolitan City of Florence, Tuscany, Italy
References
Bombicci, L. (1873): Descrizione della mineralogia generale della provincia di Bologna. Prima parte. Memorie della R. Accademia delle Scienze dell'Istituto di Bologna, serie 3, 4, 59-139.
Bombicci, L. (1877) Contribuzioni di mineralogia italiana. Parte I. Datolite cristallizzata, nella Eufotide prehnitifera alterata, del fosso della Castellina al Nord di Lizzo (riva destra del Reno), presso Porretta. Memorie della R. Accademia delle Scienze dell'Istituto di Bologna, serie 3a, 8, 311-317
Pedroni, G., Rosciglione, L., Varoli, M., Baratta, C. (1996) I minerali delle ofioliti nell'Appennino bolognese e modenese. Gruppo A.V.I.S. Mineralogia e Speleologia, Bologna, 286 pp.
 
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